iphone

Detect if website is loaded in browser of a native app?

Some Safari features (such as detecting rotation/accelerometer) do not function when a website is loaded in a native app's browser (such as Foursquare). The user agent is still Safar for iPhone... is there any way to detect that the site is actually loading in a native app? ...

Anyone done an Objective-C Xode version of Osherove´s TDD Kata "String Calculator"?

Always trying to code better and I am interested in doing TDD for Objective-C and Xcode. Do you know any post that implement something like Roy Osherove´s "String Calculator"-Kata Update: trying to find out how to speed up TDD on iOS ...

UIImagePickerController - save selected images

Hello, I'm trying to save a selected image to a directory. My code is as follows: -(IBAction)attachPhotosButton { UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; [self presentModalViewController:imagePicker animated:YES...

Using a UIButton as an Accessory View for a UITableCell

I have run into an interesting bug where it appears that when you select a UITableCell it changes all of it's subviews to their highlighed state. This includes my accessoryView which is a UIButton which obviously I only want highlighted when the user presses like a normal button. I have a friend who went as far subclassing UIButton to ...

Memory Leaks when using NSPropertyListSerialization

This method in my class reads a previously created plist, but when it does NSPropertyListSerialization leaks all over the place. NSDates and NSCFStrings, mostly. Any suggestions on what I can do to prevent this? - (id)readPlist:(NSString *)fileName { NSData *plistData; NSString *errorA; NSPropertyListFormat format; ...

coredata sqlite malformed DB

hi, I have problems with my coredata sqlite DB, which hosts a book DB. After a crash a user experiences has the problem, that the data isn't shown properly any more in his/her tableview. This is due to the fact, that the performFetch method returns an error: [NSFetchedResultsController deleteCacheWithName:nil]; if (![[self fetchedResu...

CPBarPlot with different color bars

Hello, guys. There is a way to have different color bars in a CPBarPlot in just one plot space? Thanks in advance. ...

Core-Plot PieChart Slice color

I am using core plot in one of my iPhone projects. Is it possible to change the color for a selected slice in a pie chart (using CPPieChartDataSource, CPPieChartDelegate)? ...

iPhone HTML5 native <audio> control not rendering correctly

The native audio control does not render correctly on the iPhone or the iPhone simulator. Go to http://www.anmldr.com/audio and see what I am seeing. The native audio control will cover up the preceding paragraph and the drop shadow is slightly covering the following paragraph. Even if I put it in a containing div and have a margin-to...

what are the advantage of using protocols in Objective-C, when we require them?

what are the Advantages of using protocols in Objective-C, when we require them? I have read the objective-C programming guide it shows mainly 3 advantages: To declare methods that others are expected to implement. To declare the interface to an object while concealing its class To capture similarities among classes that are not hierar...

Search text in another text

I use below code for check that searchText exist in name or not but this code is case sensitive means if searchText:"Home" and name :"home and " the result is that searchText doesn't exist in name how can i remove case sensitive? NSAutoreleasePool *pool = [[NSAutoreleasePool alloc]init]; NSRange r = [name rangeOfString:searchText]; i...

View controller not being released by navigation controller for a long time?

I'm doing some debugging and leak checking, so I've got some NSLog output in a few of my app's view controllers and such. Then I noticed one particular controller appears to be releasing quite a while after the others, even though the navigation controller is popping it off the view stack. Every other view is immediately unloaded and re...

How to make a Subview pop-up from an action in UITableviewController

Hi everyone, I would like to pop-up a subview pop-up from one of the actions performed by a button placedon a tableview controller. I initially added a sub-view(initally hidden below the screen) and later want to animate it to animate and pop-up. Here is the code for the button action -(IBAction) finalShareVerse: (id) sender { NS...

[iPhone] How to display various texts with a background?

I have an app with a UITableView and Detail Views. Every detail view contains some text with a background and the text depends on the TableView row selected. The Table data is taken from a .plist. I have tried displaying the text from a .pages file in a UIWebView, but it takes too much time to load and it doesn't take the whole screen (w...

Gamekit iPad and iPhone Communication

I am developing an iPad app (the "Server") which needs to communicate with up to 4 iPhone/iPod Touches (the Clients). Should I create 4 GKSessions for each of the iPhones? Should I have 1 GKSession which connects all 5 devices, and if I do, will each iPhone be able to "see" the others (Ideally, this shouldn't happen as it will keep thi...

iOS - debugging tool to detect view touched

Wondering if anyone has written or come across a good way to log to the console the view that a touch occurred in. I know touchesEnded: can be implemented, but my problem is that something mysterious is blocking touches on my views and I don't know what it is. I would just like to know what is intercepting the touches. I would like to l...

iOS 4: FigCreateCGImageFromJPEG returned -1

I'm trying to get a basic image picker/photo taker running in my app and have run into the following error: *** ERROR: FigCreateCGImageFromJPEG returned -1. Input (null) was 551120 bytes I have the image picker showing, the camera view works fine. When I take an image with the camera and select the 'use' button the error appears in...

Why Extra Padding on top of ThumbnailView?

I am using Three20's TTThumbViewController. Everything works fine except for a padding on top of the thumbnail table which appears to be reserved for the navigation header, except that it takes the place right below the header. How can I get rid of this white space? ...

how to use variable instead of constants

how to use variable i in place of '1.4'.i want to use variable i to zoom out and zoom in the webview. [tp stringByEvaluatingJavaScriptFromString:@"document.body.style.zoom = '1.4';"]; Thanks in advance ...

retain in Objective C

for eg. NSMutableString * str1 = [[NSMutableString alloc]initwithString:@"matrix"]; NSMutableString * str2 = [str1 retain]; // str2 = matrix - output NSMutableString * str3 = [str1 copy]; //str3 = matrix - output what happen when 2nd line execute. are str1 and str2 different objects ? str1 points to "matrix", but is str2 also poin...